There is seven-eights of it under water for every part that shows. Anything you know you can eliminate and it only strengthens your iceberg. It is the part that doesn't show. If a writer omits something because he does not know it then there is a hole in the story.
The Geneva Convention . . . says that there will be no outrages upon human dignity. It’s very vague. What does that mean, ‘outrages upon human dignity’?
Madness is terrific I can assure you, and not to be sniffed at; and in its lava I still find most of the things I write about. It shoots out of one everything shaped, final, not in mere driblets, as sanity does.